Cross Site Scripting Vulnerability in TOTOLINK A3002R VPN Page
CVE-2025-4852

4.8MEDIUM

Key Information:

Vendor

Totolink
Status
A3002r
Vendor
CVE Published:
18 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-4852?

A cross site scripting vulnerability has been identified in the VPN Page of the TOTOLINK A3002R router running version 2.1.1-B20230720.1011. This issue allows an attacker to manipulate the 'Comment' argument, potentially leading to the execution of malicious scripts in the user's browser. The vulnerability can be exploited remotely, making it critical for users to implement necessary security measures to mitigate risks.

Affected Version(s)

A3002R 2.1.1-B20230720.1011

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-4852 - Proof of Concept

References

https://vuldb.com/?id.309323
vdb-entrytechnical-description
https://vuldb.com/?ctiid.309323
signaturepermissions-required
https://vuldb.com/?submit.575099
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

lcyf-fizz (VulDB User)
.